resound one m&rie study

M&RIE Hearing Aid Technology Found to Reduce Listening Effort in People with Hearing Loss

New research by Oldenburg University has found that GN Hearing’s M&RIE, the unique Microphone and Receiver in the Ear solution, reduces listening effort across different types of challenging and noisy listening situations.¹

ReSound’s Microphone & Receiver-In-Ear (M&RIE)

Increased listening effort is one of the most common challenges raised by people with hearing loss – it has been compared to being as difficult as following a conversation in a foreign language. This can lead people to withdraw from conversations as well as enhancing exhaustion and irritability. 


Benefit of Additional Microphone in Ear


Most hearing aids position microphones behind the ear, using an algorithm based on an average pinna to replicate the effect of a person’s ear shape on the way sound is collected. 

By placing an additional microphone in the ear, ReSound ONE with M&RIE leverages the individual’s ear anatomy to help more natural hearing experience.

According to the announcement, researchers also found the following benefits of using M&RIE:

  • 57% better localization² – a measure that increases over time as the brain re-familiarizes and re-trains itself to take advantage of the subtleties of sound channeled via the pinna
  • 15dB increase in wind-noise protection without reducing gain³ and 33% better sound quality ratings when listening in mildly windy conditions compared to traditional mic placement⁴
  • 95% of people rated phone placement as easy for non-streamed phone calls⁵
  • 9 out of 10 listeners prefer M&RIE for natural sound quality³

GN is said to have made recent improvements in their fitting software, making it easier set users up with ReSound ONE and M&RIE technology.



¹ Quilter et al, 2021

² Jespersen, Schindwolf & Groth, 2021

³ Groth J.,2020

⁴ Andersen et al, 2021

⁵ Quilter, Hartenstein and Groth, 2021


Source: ReSound

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